Console CREATIVE

[veritism]

It's where it adds an additional inventory that has every block,armor,item,etc and by double tapping you can fly.

 

[BrusselSprouts693]

Allegedly, this will come out in 1.4 (whenever that may be). However you will still have to "earn things".

Source: https://terraria.wiki.gg/Upcoming_features#1.4

 

[UltiDaniel]

so... Tmodloader?